404735513

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{1489}}^1$

素因数の和:1641

約数の個数: 32

約数和(自身を含む): 520665600

約数和(自身を除く): 115930087

約数列:

[1, 7, 13, 29, 91, 103, 203, 377, 721, 1339, 1489, 2639, 2987, 9373, 10423, 19357, 20909, 38831, 43181, 135499, 153367, 271817, 302267, 561353, 1073569, 1993771, 3929471, 4447643, 13956397, 31133501, 57819359, 404735513]

約数ペア:

[(1, 404735513), (7, 57819359), (13, 31133501), (29, 13956397), (91, 4447643), (103, 3929471), (203, 1993771), (377, 1073569), (721, 561353), (1339, 302267), (1489, 271817), (2639, 153367), (2987, 135499), (9373, 43181), (10423, 38831), (19357, 20909)]